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Omnicom closes IPG acquisition for final purchase price of $9bn

Acquisition creates largest holdco based on revenues for the first nine months of 2025.

Omnicom forOmnicom buys IPG: John Wren, chairman and CEO of Omnicom Group (left), and Philippe Krakowsky, CEO of IPG.

Omnicom has closed its acquisition of rival Interpublic Group (IPG), the company confirmed in a stock market filing on Wednesday evening (26 November).

The final purchase price for IPG was $9bn (£6.8bn) in the all-stock deal, based on Omnicom’s share price of $71.50 after the market closed.

The deal creates a company with revenues of $18bn so far this year, compared to closest rival Publicis Group with $12bn, based on results for the first nine months of 2025.

Omnicom said the company would have “combined revenue in excess of $25bn” per year.

The completion of the acquisition follows the EU giving the green light on Monday, the final regulatory hurdle.

The deal was first announced


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